<template>
  <view class="normal-login-container">
    <view class="logo-content align-center justify-center flex">
      <image style="width: 100rpx;height: 100rpx;" :src="globalConfig.appInfo.logo" mode="widthFix">
      </image>
      <text class="title">智能门禁运营平台移动端登录</text>
    </view>
    <view class="login-form-content">
      <view class="input-item flex align-center">
        <view class="iconfont icon-user icon"></view>
        <input v-model="loginForm.username" class="input" type="text" placeholder="请输入账号" maxlength="30" />
      </view>
      <view class="input-item flex align-center">
        <view class="iconfont icon-password icon"></view>
        <input v-model="loginForm.password" type="password" class="input" placeholder="请输入密码" maxlength="20" />
      </view>
      <view class="input-item flex align-center" style="width: 60%;margin: 0px;" v-if="captchaEnabled">
        <view class="iconfont icon-code icon"></view>
        <input v-model="loginForm.code" type="number" class="input" placeholder="请输入验证码" maxlength="4" />
        <view class="login-code"> 
          <image :src="codeUrl" @click="getCode" class="login-code-img"></image>
        </view>
      </view>
      
      <!-- 记住账号密码 -->
      <view class="remember-section">
        <view class="remember-checkbox" @click="toggleRemember">
          <view class="checkbox" :class="{ checked: rememberPassword }">
            <text v-if="rememberPassword" class="check-icon">✓</text>
          </view>
          <text class="remember-text">记住账号密码</text>
        </view>
      </view>
      
      <view class="action-btn">
        <button @click="handleLogin" class="login-btn cu-btn block bg-blue lg round">登录</button>
      </view>
      <view class="reg text-center" v-if="register">
        <text class="text-grey1">没有账号？</text>
        <text @click="handleUserRegister" class="text-blue">立即注册</text>
      </view>
      <view class="xieyi text-center">
        <text class="text-grey1">登录即代表同意</text>
        <text @click="handleUserAgrement" class="text-blue">《用户协议》</text>
        <text @click="handlePrivacy" class="text-blue">《隐私协议》</text>
      </view>
    </view>
     
  </view>
</template>

<script>
  import { getCodeImg } from '@/api/login'
  import { setOpenid } from '@/api/system/user'
  import { getToken } from '@/utils/auth'

  export default {
    data() {
      return {
        codeUrl: "",
        captchaEnabled: true,
        // 用户注册开关
        register: false,
        globalConfig: getApp().globalData.config,
        // 记住密码状态
        rememberPassword: false,
        loginForm: {
          username: "",
          password: "",
          code: "",
          uuid: ""
        }
      }
    },
    created() {
      this.getCode()
      this.loadSavedCredentials()
    },
    onLoad() {
      //#ifdef H5
      if (getToken()) {
        this.$tab.reLaunch('/pages/index')
      }
      //#endif
    },
    methods: {
      // 切换记住密码状态
      toggleRemember() {
        this.rememberPassword = !this.rememberPassword
        console.log('记住密码状态:', this.rememberPassword)
      },
      
      // 加载保存的账号密码
      loadSavedCredentials() {
        try {
          const savedCredentials = uni.getStorageSync('savedCredentials')
          if (savedCredentials) {
            const credentials = JSON.parse(savedCredentials)
            this.loginForm.username = credentials.username || ''
            this.loginForm.password = credentials.password || ''
            this.rememberPassword = credentials.remember || false
            console.log('加载保存的账号密码:', { 
              username: this.loginForm.username, 
              hasPassword: !!this.loginForm.password,
              remember: this.rememberPassword 
            })
          }
        } catch (e) {
          console.error('加载保存的账号密码失败:', e)
        }
      },
      
      // 保存账号密码
      saveCredentials() {
        try {
          if (this.rememberPassword) {
            const credentials = {
              username: this.loginForm.username,
              password: this.loginForm.password,
              remember: true
            }
            uni.setStorageSync('savedCredentials', JSON.stringify(credentials))
            console.log('账号密码已保存')
          } else {
            // 如果不记住密码，清除保存的信息
            uni.removeStorageSync('savedCredentials')
            console.log('已清除保存的账号密码')
          }
        } catch (e) {
          console.error('保存账号密码失败:', e)
        }
      },
      
      // 用户注册
      handleUserRegister() {
        this.$tab.redirectTo(`/pages/register`)
      },
      // 隐私协议
      handlePrivacy() {
        let site = this.globalConfig.appInfo.agreements[0]
        this.$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`)
      },
      // 用户协议
      handleUserAgrement() {
        let site = this.globalConfig.appInfo.agreements[1]
        this.$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`)
      },
      // 获取图形验证码
      getCode() {
        getCodeImg().then(res => {
          this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled
          if (this.captchaEnabled) {
            this.codeUrl = 'data:image/gif;base64,' + res.img
            this.loginForm.uuid = res.uuid
          }
        })
      },
      // 登录方法
      async handleLogin() {
        if (this.loginForm.username === "") {
          this.$modal.msgError("请输入账号")
        } else if (this.loginForm.password === "") {
          this.$modal.msgError("请输入密码")
        } else if (this.loginForm.code === "" && this.captchaEnabled) {
          this.$modal.msgError("请输入验证码")
        } else {
          this.$modal.loading("登录中，请耐心等待...")
          this.pwdLogin()
        }
      },
      // 密码登录
      async pwdLogin() {
        this.$store.dispatch('Login', this.loginForm).then(() => {
          this.$modal.closeLoading()
          // 登录成功后保存账号密码
          this.saveCredentials()
          this.loginSuccess()
        }).catch(() => {
          if (this.captchaEnabled) {
            this.getCode()
          }
        })
      },
      // 登录成功后，处理函数
      loginSuccess(result) {
        debugger
        // 临时测试用：设置一个测试openid到缓存中（正式使用时请删除这行）
        // uni.setStorageSync('wechat_openid', 'ogn8r6qyLif308ZW_ocLxOCF8wAc')
        
        // 设置用户信息
        this.$store.dispatch('GetInfo').then(res => {
          console.log('用户信息获取成功:', res)
          
          // 检查并更新openid
          const user = res.user
          console.log('用户openid:', user.openid)
          
          if (!user.openid || user.openid === null || user.openid === '') {
            console.log('用户openid为空，尝试获取缓存的openid...')
            const cachedOpenid = uni.getStorageSync('wechat_openid')
            console.log('缓存中的openid:', cachedOpenid)
            
            if (cachedOpenid) {
              console.log('发现缓存的openid，开始更新用户信息...')
              
              // 使用setOpenid接口更新用户openid
              console.log('准备更新的openid:', cachedOpenid)
              
              setOpenid(cachedOpenid).then(updateRes => {
                console.log('openid更新成功:', updateRes)
                // this.$modal.msgSuccess('用户信息已更新')
              }).catch(updateError => {
                console.error('openid更新失败:', updateError)
              })
            } else {
              console.log('未找到缓存的openid')
            }
          } else {
            console.log('用户已有openid:', user.openid)
          }
          
          // 跳转到首页
          this.$tab.reLaunch('/pages/index')
        }).catch(error => {
          console.error('获取用户信息失败:', error)
        })
      }
    }
  }
</script>

<style lang="scss" scoped>
  page {
    background-color: #ffffff;
  }

  .normal-login-container {
    width: 100%;

    .logo-content {
      width: 100%;
      font-size: 21px;
      text-align: center;
      padding-top: 15%;

      image {
        border-radius: 4px;
      }

      .title {
        margin-left: 10px;
      }
    }

    .login-form-content {
      text-align: center;
      margin: 20px auto;
      margin-top: 15%;
      width: 80%;

      .input-item {
        margin: 20px auto;
        background-color: #f5f6f7;
        height: 45px;
        border-radius: 20px;

        .icon {
          font-size: 38rpx;
          margin-left: 10px;
          color: #999;
        }

        .input {
          width: 100%;
          font-size: 14px;
          line-height: 20px;
          text-align: left;
          padding-left: 15px;
        }

      }

      // 记住密码区域样式
      .remember-section {
        margin: 20px auto;
        display: flex;
        justify-content: flex-start;
        align-items: center;
        
        .remember-checkbox {
          display: flex;
          align-items: center;
          cursor: pointer;
          
          .checkbox {
            width: 18px;
            height: 18px;
            border: 2px solid #ddd;
            border-radius: 3px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 8px;
            transition: all 0.3s ease;
            
            &.checked {
              background-color: #007AFF;
              border-color: #007AFF;
              
              .check-icon {
                color: white;
                font-size: 12px;
                font-weight: bold;
              }
            }
          }
          
          .remember-text {
            font-size: 14px;
            color: #666;
            user-select: none;
          }
        }
      }

      .login-btn {
        margin-top: 20px;
        height: 45px;
      }
      
      .reg {
        margin-top: 15px;
      }
      
      .xieyi {
        color: #333;
        margin-top: 20px;
      }
      
      .login-code {
        height: 38px;
        float: right;
      
        .login-code-img {
          height: 38px;
          position: absolute;
          margin-left: 10px;
          width: 200rpx;
        }
      }
    }
  }

</style>
